[1]姜友谊,曾 致,胡亚轩,等.精密水准测量控制装置设计[J].西安科技大学学报,2018,(06):999-1004.[doi:10.13800/j.cnki.xakjdxxb.2018.0617]
 JIANG You-yi,ZENG Zhi,HU Ya-xuan,et al.Design of precision leveling and control device[J].Journal of Xi'an University of Science and Technology,2018,(06):999-1004.[doi:10.13800/j.cnki.xakjdxxb.2018.0617]
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精密水准测量控制装置设计(/HTML)
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2018年06期
页码:
999-1004
栏目:
出版日期:
2018-11-30

文章信息/Info

Title:
Design of precision leveling and control device
文章编号:
1672-9315(2018)06-0999-06
作者:
姜友谊1曾 致1胡亚轩2秦世民1黎 晓1
(1.西安科技大学 测绘科学与技术学院,陕西 西安 710054; 2.中国地震局 第二监测中心,陕西 西安 710054)
Author(s):
JIANG You-yi1ZENG Zhi1HU Ya-xuan2QIN Shi-min1LI Xiao1
(1.College of Geomatics,Xi'an University of Science and Technology,Xi'an 710054,China; 2.No.2Crust Monitoring and Application Center,China Earthquake Administration,Xi'an 710054,China)
关键词:
测绘工程 精密水准测量 实时测距 前后视距差 高程精度 测量效率
Keywords:
surveying and mapping engineering precision leveling real time ranging backsight and foresight length difference height precision measurement efficiency
分类号:
P 24
DOI:
10.13800/j.cnki.xakjdxxb.2018.0617
文献标志码:
A
摘要:
精密水准测量中,为减小大气折光误差、i角误差及地球曲率对高程精度的影响,提高高程测量精度,测量规范明确规定了前后视距差及视距累积差的限差,降低了水准测量的工作效率。以精密水准测量为背景,采用“无线测距装置+精密计时装置+显示器+无线探测棱镜”的集成技术设计思路,基于无线测距原理,设计出了一种可以实时确定仪器位置的精密水准测量控制装置。经现场实验对比分析,验证精密水准测量控制装置的可行性和有效性。结果表明:采用优化设计的精密水准测量控制装置,在满足国家精密水准测量规范的前提下,进行闭合水准和附合水准路线测量,高程精度平均提高7.3%,测量效率平均提高23.6%,解决了精密水准测量前后视距差极易超限的问题,提高了精密水准测量的整体质量。
Abstract:
In the precision leveling,the measurement specification clearly stipulates that the difference between the backsight length and foresight length as well as the visual range cumulative difference in order to reduce the influence of the atmospheric refraction error,the “i” angle error and the earth curvature on the height precision,but which lower the working efficiency of leveling.In light of the background of the precision leveling,a set of integrated technology design ideas such as radio ranging device,precision timing device,display and wireless detection are used,based on the principle of wireless distance measurement,to design a precision leveling measurement control device to determine the location of real-time instrument.The feasibility and effectiveness of such precision leveling measurement control device is verified through the comparative analysis of the field experiment.The experimental results show that the usage of the precision leveling measurement control device after optimal design,under the premise of meeting the measurement specification of the national precision leveling,can averagely improve the accuracy of the height measurement by 7.3% and its efficiency by 23.6% in the closed level and aptitude level route measurement,solving the problem of easy over-limit backsight and foresight length difference in the precision leveling and improving the whole quality of the precision leveling.

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备注/Memo

备注/Memo:
收稿日期:2018-04-01 责任编辑:高 佳
基金项目:国家自然科学基金(41372345); 科技部基础性工作专项(2015FY210400); 中国地震局地震行业科研专项(201508009)
通信作者:姜友谊(1974-),女,陕西渭南人,副教授,E-mail: youyi_jiang1974@163.com
更新日期/Last Update: 2018-11-15